Database Administrator

Gravity IT Resources; Tallahassee (FL); On-site; USD 96,000 - 165,000; Full time

Job summary

Gravity IT Resources in Tallahassee, FL, seeks a senior DB2 on z/OS DBA for a contract role through 6/30/27 with extension likelihood. This hands-on position owns DB2 administration, performance, and operability in a mission-critical mainframe environment.

You will administer production databases, perform tuning, backups, capacity planning, and security controls, while partnering with teams to ensure reliability and documented status and risks.

Qualifications

• 15+ years of experience in enterprise database environments.
• Deep, recent hands-on DB2 on IBM z/OS experience is mandatory.
• Ability to operate independently in production with strong troubleshooting and root-cause analysis skills.
• Track record delivering reliable outcomes in high-accountability environments (availability, recoverability, performance).

Responsibilities

• Administer and support DB2 on z/OS databases in a production enterprise environment.
• Perform core DBA functions including performance monitoring, tuning, and remediation.
• Execute and validate backup/recovery strategy.
• Plan capacity and growth management.
• Enforce security and access controls per standards.
• Handle incident response, triage, and root-cause analysis.
• Coordinate maintenance, upgrades/patching, and runbooks.
• Partner with application and infrastructure teams to ensure reliability.

Skills

DB2 on z/OS experience

Troubleshooting

Root cause analysis

Production support

Tools

DB2 on z/OS

Informatica

Snowflake

Job description

Job Type: Contract (thru 6/30/27 with likelihood of extension)

Job Location: Tallahassee, FL (On-Site)

Overview

We are seeking a senior DB2 on z/OS resource (DBA) to support a mission-critical mainframe database environment. This is a hands-on role for an expert who can own DB2 administration, performance, stability, and operational excellence in a structured enterprise setting.

Required Experience

• You have 15+ years of professional experience supporting enterprise database environments.
• You have deep, recent, hands-on DB2 on IBM z/OS experience (this is mandatory).
• You can operate independently in a production environment with strong troubleshooting and root-cause analysis skills.
• You have a track record of delivering reliable outcomes in high-accountability environments (availability, recoverability, performance).

Key Responsibilities

• You will administer and support DB2 on z/OS databases in a production enterprise environment.
• You will handle core DBA functions including:
• Performance monitoring, tuning, and remediation
• Backup/recovery strategy execution and validation
• Capacity planning and growth management
• Security and access controls in alignment with standards
• Incident response, triage, and root-cause analysis
• Database maintenance, upgrades/patching coordination, and operational runbooks
• You will partner with application teams and infrastructure stakeholders to ensure database reliability and operational readiness.
• You will produce clear documentation and communicate status, risks, and recommendations effectively.

Bonus / Nice-to-Have Skills (DB2 Strength Still Required)

• You have Oracle experience, including exposure to OCI.
• You have broader "multi-platform DBA" depth (e.g., strong SQL Server expertise).
• You have familiarity with data/integration ecosystems such as Informatica and/or Snowflake (helpful, not required).
• You communicate clearly, consistently, and proactively (this is critical to success).